<template>
  <div class="permission-container">
    <div class="app-container">
      <!-- 表格 -->
      <el-card>
        <div style="text-align: right; margin-bottom: 20px">
          <el-button
            type="primary"
            size="small"
            @click="addpermission('1', '0')"
            >添加权限</el-button
          >
        </div>
        <!-- el-table 渲染树状结构的条件 : 1.数据中有children 2.设置row-key -->
        <el-table
          border
          :data="permissionList"
          row-key="id"
          :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
        >
          <el-table-column label="名称" prop="name" />
          <el-table-column label="标识" prop="code" />
          <el-table-column label="描述" prop="description" />
          <el-table-column label="操作">
            <template #default="{ row }">
              <el-button
                v-if="row.type === 1"
                size="small"
                type="text"
                @click="addpermission('2', row.id)"
                >添加权限点</el-button
              >
              <el-button
                size="small"
                type="text"
                @click="editPermission(row.id)"
                >查看</el-button
              >
              <el-button size="small" type="text" @click="delPermission(row.id)"
                >删除</el-button
              >
            </template>
          </el-table-column>
        </el-table>
      </el-card>
      <!-- 新增编辑的弹层 -->
      <el-dialog
        :visible="showDialog"
        :title="showTitle"
        :close-on-click-modal="false"
        @close="closeDialog"
      >
        <!-- 表单内容 -->
        <el-form
          ref="addForm"
          label-width="100px"
          :rules="rules"
          :model="formData"
        >
          <el-form-item label="权限名称" prop="name">
            <el-input v-model="formData.name" />
          </el-form-item>
          <el-form-item label="权限标识" prop="code">
            <el-input v-model="formData.code" />
          </el-form-item>
          <el-form-item label="权限描述" prop="description">
            <el-input v-model="formData.description" />
          </el-form-item>
          <el-form-item label="权限启用">
            <el-switch
              v-model="formData.enVisible"
              active-text="启用"
              active-value="1"
              inactive-text="不启用"
              inactive-value="0"
            />
          </el-form-item>
        </el-form>
        <template #footer>
          <div style="text-align: right">
            <el-button @click="closeDialog">取消</el-button>
            <el-button type="primary" @click="confirmAddPermission"
              >确定</el-button
            >
          </div>
        </template>
      </el-dialog>
    </div>
  </div>
</template>

<script>
import {
  getPermissionListApi,
  delPermissionApi,
  addPermissionApi,
  getPermissionDetailApi,
  updatePermissionApi
} from '@/api/permission'
import { transListToTreeData } from '@/utils/index'
export default {
  name: 'Permission',
  data() {
    return {
      permissionList: [],
      showDialog: false,
      formData: {
        enVisible: '0', // 启用禁用, 0禁用, 1启用
        name: '', // 名称
        code: '', // 权限标识
        description: '', // 描述
        type: '', // 类型标记了一级(页面访问权) 二级(按钮操作权)
        pid: '' // 添加到哪个节点下
      },
      rules: {
        name: [
          {
            required: true,
            message: '权限姓名不能为空',
            trigger: ['blur']
          }
        ],
        code: [
          {
            required: true,
            message: '权限标识不能为空',
            trigger: ['blur']
          }
        ],
        description: [
          {
            required: true,
            message: '权限描述不能为空',
            trigger: ['blur']
          }
        ]
      }
    }
  },
  computed: {
    showTitle() {
      return this.formData.id ? '编辑角色' : '添加角色'
    }
  },
  created() {
    this.getPermissionList()
  },
  methods: {
    // 修改权限
    async editPermission(id) {
      this.showDialog = true
      const { data } = await getPermissionDetailApi(id)
      // console.log(data)
      this.formData = data
    },
    // 删除权限
    delPermission(id) {
      this.$confirm('确定要删除该权限吗?', '温馨提示')
        .then(async() => {
          await delPermissionApi(id)
          this.getPermissionList()
          this.$message.success('删除成功')
        })
        .catch(() => {})
    },
    // 新增权限
    confirmAddPermission() {
      this.$refs.addForm.validate(async(flag) => {
        if (!flag) return
        if (this.formData.id) {
          await updatePermissionApi(this.formData)
          this.$message.success('修改成功')
        } else {
          await addPermissionApi(this.formData)
          this.$message.success('添加成功')
        }
        this.getPermissionList()
        this.closeDialog()
      })
    },
    // 点击添加权限点
    addpermission(type, id) {
      this.showDialog = true
      this.formData.type = type
      this.formData.pid = id
    },
    // 关闭弹框
    closeDialog() {
      this.showDialog = false
      // 重置表单
      this.$refs.addForm.resetFields()
      this.formData = {
        enVisible: '0',
        name: '',
        code: '',
        description: '',
        type: '',
        pid: ''
      }
    },
    // 获取权限列表
    async getPermissionList() {
      const { data } = await getPermissionListApi()
      // console.log(data)
      this.permissionList = transListToTreeData(data, '0')
      // console.log(this.permissionList)
    }
  }
}
</script>

<style>
</style>
